Medium severity6.1NVD Advisory· Published Oct 12, 2026

CVE-2026-109375

Description

Vercel deepsec from 0.1.0 before 1.1.17 contains a link following vulnerability in extractTarballLocally that allows sandboxed code to write files outside the sandbox by planting links in result tarballs. Attackers controlling sandbox code, such as a prompt-injected coding agent, can plant symbolic or hard links in the host data directory to write arbitrary files on the orchestrator host.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Vercel Labs/deepsecllm-create
Range: <1.1.17

Patches

Vulnerability mechanics

References

github.com/vercel-labs/deepsec/commit/c5a4e4220ece72aee67c2ea21f4340e65f673fc1nvd
github.com/vercel-labs/deepsec/pull/46nvd
github.com/vercel-labs/deepsec/pull/47nvd
www.vulncheck.com/advisories/vercel-deepsec-before-1.1.17-arbitrary-file-write-via-symlink-in-sandbox-tarball-extractionnvd

News mentions

No linked articles in our index yet.

cvss	0.397
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000